Cover for a printer



FIG. 1 is a perspective view of a cover for a printer;

FIG. 2 is a bottom view thereof;

FIG. 3 is a front view thereof, the bottom view being a mirror image;

FIG. 4 is a side view thereof, the opposite side view being a mirror image; and,

FIG. 5 is an enlarged view taken within box 5 of FIG. 2.

The broken lines depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a cover for a printer, as shown and described. 